Phoebe Buffay was created in 1994.
On Friends, Phoebe's twin sister's name is Ursula Buffay.
His name was Frank Buffay.
Phoebe Buffay
Ursula Buffay
Lisa Kudrow is her real name
Phoebe Buffay's brother on the sitcom 'Friends' is Frank Buffay. He is played by Giovanni Ribisi. He also starred as 'Parker' in James Cameron's epic, Avatar.
Frank Buffay was the character of Phoebe's father and was played by Bob Balaban. A+=Arthur Pyncheon
Phoebe's half brother was called Frank Buffay Jr. who was played by Giovanni Ribsi.
Phoebe Buffay on friends (the episode The Beach)
Frances Buffay was created in 1995.
Ursula Buffay was created in 1993.
I think they are brother/sister.